MESON Chess Problem Database
Problem Display
PID: 194043 (B6K/1R6/2k1PR2/2P5/4P1p1/n1n1P3/7B/q1Q1r3 w - - 0 1)
Guidelli, Giorgio
3rd Prize, L'Italia Scacchistica, 1917
#2
10 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sab5
- 2.Rc7#
- 1...Sb1
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Sd1
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Sa2
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Se2
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Sa4
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Sxe4
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Scb5
- 2.Rb6#
- 2.Ra7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sd5
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Sab5
- Tries
- 1.Bd6?
- threat
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Qb2
- 2.Rxb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 1...Qb1
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 1...Sab1
- 2.Rb6#
- 1...Sc2
- 2.Rb6#
- 1...Sc4
- 2.Rb6#
- 1...Sab5
- 2.Rb6#
- 2.Ra7#
- 2.Rc7#
- 1...Scb1
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Scb5
- 2.Rb6#
- 2.Ra7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rh1+!
- threat
- 1.Rf5?
- threat
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 2.Rb8#
- 1...Scb1+
- 2.Rb2#
- 1...Sd1+
- 2.Rb2#
- 1...Sa2+
- 2.Rb2#
- 1...Se2+
- 2.Rb2#
- 1...Sa4+
- 2.Rb2#
- 1...Sxe4+
- 2.Rb2#
- 1...Scb5+
- 2.Rg7#
- 1...Sd5+
- 2.Rb2#
- 1...Qb2
- 2.Rxb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 1...Qb1
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb6#
- 1...Sab1
- 2.Rb6#
- 1...Sc2
- 2.Rb6#
- 1...Sc4
- 2.Rb6#
- 1...Sab5
- 2.Rb6#
- 2.Ra7#
- 2.Rc7#
- 1...g3!
- threat
- 1.Rff7?
- threat
- 2.Rfc7#
- 1...Scb1+
- 2.Rb2#
- 1...Sd1+
- 2.Rb2#
- 1...Sa2+
- 2.Rb2#
- 1...Se2+
- 2.Rb2#
- 1...Sa4+
- 2.Rb2#
- 1...Sxe4+
- 2.Rb2#
- 1...Sd5+
- 2.Rb2#
- 1...Kxc5
- 2.Rfc7#
- 1...Sab5
- 2.Rbc7#
- 1...Scb5+!
- threat
- 1.Qb2?
- threat
- 2.Rb5#
- 2.Rc7#
- 2.Qb6#
- 1...Kxc5
- 2.Rc7#
- 1...Sxe4
- 2.Rb5#
- 2.Rc7#
- 1...Qb1
- 2.Rb5#
- 2.Rc7#
- 1...Rb1
- 2.Rb5#
- 2.Rc7#
- 1...Sab1
- 2.Rc7#
- 2.Qb6#
- 1...Sc2
- 2.Rc7#
- 2.Qb6#
- 1...Sc4
- 2.Rc7#
- 1...Sab5
- 2.Rc7#
- 1...Sa4
- 2.Rb5#
- 2.Rc7#
- 1...Scb5
- 2.Rxb5#
- 2.Rc7#
- 1...Sd5
- 2.Rb5#
- 2.Rc7#
- 1...g3
- 2.Qb6#
- 1...Qxb2!
- threat
- 1.Qxa3?
- threat
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 2.e7#
- 1...Sxe4
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Qb2
- 2.Rxb2#
- 2.Rb3#
- 2.Rb6#
- 2.e7#
- 1...Qb1
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.e7#
- 1...Qd1
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Qa2
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Rb1
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.e7#
- 1...Rd1
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Rf1
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Sb1
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Sd1
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Sa2
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Se2
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Sa4
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...Sb5
- 2.Rb6#
- 2.Ra7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sd5
- 2.Rb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb6#
- 2.Rb8#
- 1...g3
- 2.e7#
- 1...Qxa3!
- threat
- 1.Bd6?
- Keys
- 1.Rf8!
- threat
- 2.Rc8#
- 1...Scb1+
- 2.Rb2#
- 1...Sd1+
- 2.Rb2#
- 1...Sa2+
- 2.Rb2#
- 1...Se2+
- 2.Rb2#
- 1...Sa4+
- 2.Rb2#
- 1...Sxe4+
- 2.Rb2#
- 1...Scb5+
- 2.Rg7#
- 1...Sd5+
- 2.Rb2#
- 1...Kxc5
- 2.Rc8#
- 1...Sab5
- 2.Rc7#
- threat
- 1.Rf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(c);SBLOCK::B(I)+R(H),DCHECK
- Tries
- Try
- B(B);
- Threat
- DUALS(6)
- Vars
- S(c);::B(I)+R(H),DCHECK
- Refutation
- R(b);CHECK
- Try
- R(G);
- Threat
- DUALS(6)
- Vars
- S(d);CHECK::B(I)+R(H)
- S(d);CHECK,XP(D)::B(I)+R(H)
- S(d);CHECK,SBLOCK::B(I)+R(H)
- S(c);::B(I)+R(H),DCHECK
- Refutation
- P(e);
- Try
- R(G);
- Threat
- R1(G)
- Vars
- S(d);CHECK::B(I)+R(H)
- S(d);CHECK,XP(D)::B(I)+R(H)
- K(f);P-FLIGHT,P_SPINS(d),XP(E)::R(G)
- S(c);SBLOCK::B(I)+R(H),DCHECK
- Refutation
- S(d);CHECK
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- K(f);P-FLIGHT,XP(E)::R(H)
- S(c);::B(I)+R(H),DCHECK
- P(e);::QAR1(A)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);XS(c)
- Threat
- DUALS(6)
- Vars
- P(e);::R(G)+P(F)
- Refutation
- Q(a);XQ(A)
- Try
- Actual
- R(G);
- Threat
- R(G)
- Vars
- S(d);CHECK::B(I)+R(H)
- S(d);CHECK,XP(D)::B(I)+R(H)
- S(d);CHECK,SBLOCK::B(I)+R(H)
- K(f);P-FLIGHT,P_SPINS(d),XP(E)::R(G)
- S(c);SBLOCK::B(I)+R(H),DCHECK
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).